Tulsipur State was a small kingdom in the Awadh region of India that became the United Provinces of Agra and Oudh under the British Raj and Dundwa Range of the Siwaliks in the Dang and Deukhuri Valleys that became part of the Kingdom of Nepal. It was one of the areas traditionally inhabited by the Tharu people. The Tulsipur kingdom was about 150 by 150 miles. It bordered Salyan Rajya (Nepal) and Pyuthan (Nepal) in the north, Balarampur Principality (India) in the south, Madi Khola (Nepal) and Arnala River (Basti, India) in the east and Bahraich (India) in the west.